*{
  padding: 0;
  margin: 0;
}
div{
  box-sizing: border-box;
}
html,body{
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  background-color: #f6f7fb;
}
.process{
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate3d(-50%,-50%,0);
  /* background-color: lightblue; */
}
.top{
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.processbar{
  background-color: #3498db;
  z-index: -1;
  width: 0%;
  height: 4px;
  left: 0;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  transition: all .3s linear;
}
.circle{
  margin-right: 60px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 3px solid #e0e0e0;
  line-height: 24px;
  font-size: 14px;
  text-align: center;
  color: #e0e0e0;
  background-color: #fff;
  transition: all .3s linear;
}
.circle:last-of-type{
  margin: 0;
}
.bottom{
  margin-top: 20px;
  text-align: center;
}
.button{
  display: inline-block;
  cursor: pointer;
  background-color: #e0e0e0;
  outline: transparent;
  border: none;
  padding: 10px 30px;
  color: #fff;
}
.button:active{
  transform: translate3d(1px,1px,0);
}
.btnactive{
  background-color: lightblue;
}
.activecircle{
  border: 3px solid #3498db;
  color: #3498db;;
}

